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`-p'
====

   Causes Amd's process id to be printed on standard output.  This can
be redirected to a suitable file for use with kill:

     amd -p > /var/run/amd.pid ...

   This option only has an affect if Amd is running in daemon mode.  If
Amd is started with the `-D nodaemon' debug flag, this option is
ignored.